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Technical Engagement Network Lab Manager
Castalia SystemsTEN Lab Manager administering Linux, Ansible, and Splunk infrastructure for Castalia Systems’ federal cybersecurity missions. Supporting lab operations, automation, monitoring, compliance, and incident-response capabilities.
Posted 8/5/2026full-timeArlington • Virginia • 🇺🇸 United StatesMid-LevelSenior💰 $124,100 - $131,400 per yearWebsite
Core Competencies
Role fitCore Competencies
Use this summary to align your resume positioning with the role.
Demonstrates expertise in Linux System Administration, particularly with Red Hat Enterprise Linux and Ansible automation. Proficient in implementing security controls, managing Splunk for monitoring and analytics, and optimizing lab environments through effective configuration management.
Highest-signal resume keywords
Linux System AdministrationAnsible AutomationSplunk Enterprise AdministrationSecurity Compliance ManagementProject Management
ATS Keywords
Tailor your resumeApplicant Tracking System Keywords
Tip: use these terms in your resume and cover letter to boost ATS matches.
Hard Skills
Red Hat Enterprise LinuxAnsible PlaybooksConfiguration ManagementTroubleshootingSystem AdministrationSecurity Controls ImplementationLog IngestionVirtualization AutomationBackup ManagementSTIG Compliance
Soft Skills
Collaborative WorkCustomer Approval Management
Tools & Technologies
Splunk EnterpriseSplunk CloudAnsible Automation PlatformWindowsMacOSLinux/Unix
Certifications & Qualifications
Bachelor's Degree in Computer ScienceSecret ClearanceDHS SuitabilityDoD 8140.01 IAT Level II
Industry Keywords
Lab ManagementSystems AdministrationOperational IntelligenceSecurity AnalyticsTechnical Procedures
Tech Stack
Tools & technologiesAnsibleCloudLinuxMacOSSplunkTypeScriptUnix
About the role
Key responsibilities & impact- Oversee Red Hat Enterprise Linux environments across development, lab, and production systems
- Perform large-scale configuration management and deployment across Windows, MacOS, Linux/Unix, and virtual environments
- Support implementation of new technologies and equipment in the lab environment
- Provide systems administration, technical support, upgrades, patching, and troubleshooting
- Develop and maintain Ansible playbooks, roles, and workflows
- Configure, deploy, and maintain Red Hat Ansible Automation Platform
- Administer and maintain Splunk Enterprise/Splunk Cloud for monitoring, security analytics, and operational intelligence
- Implement and monitor security controls, including STIG compliance, access management, and audit configurations
- Develop Splunk dashboards and alerts for system health, performance, and security event monitoring
- Implement granular access control, establish backups, and monitor system security and accessibility
- Troubleshoot and resolve enterprise storage and replication issues across local and wide area networks
- Identify efficiencies in existing procedures with customer approval
- Manage assigned project components and deliver services according to established objectives
- Advise on development of lab SOPs and policies
- Apply security concepts, tools, and methodologies to mitigate system weaknesses and vulnerabilities
Requirements
What you’ll need- Bachelor's degree in Computer Science, Computer Engineering, Computer Information Systems, Computer Systems Engineering, or related field, or high school diploma and 7+ years of lab management or systems administration experience
- 5+ years of directly relevant experience as a Linux System Administrator
- 3+ years of experience with Splunk Enterprise administration and log ingestion
- 3+ years of experience with Ansible automation, including Ansible Core or Ansible Tower/AAP
- Must be able to work collaboratively across physical locations
- Must be a U.S. Citizen
- Secret clearance with ability to obtain DHS Suitability
- Preferred: TS/SCI
- Preferred: Experience writing technical procedures and standard operating procedures
- Preferred: Virtualization automation and optimization
- Preferred: Experience with Linux/Unix, Windows, and MacOS
- Preferred: DoD 8140.01 IAT Level II
Benefits
Comp & perks- Medical coverage
- Dental coverage
- Vision coverage
- 401k matching
- Generous PTO
- Paid holidays
- Professional training opportunities
- Pet insurance